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PHP: exceptions vs errors?

...ert a row into a database. It is possible that this call fails (duplicate ID) - you will want to have a "Error" which in this case is an "Exception". When you are inserting these rows, you can do something like this try { $row->insert(); $inserted = true; } catch (Exception $e) { echo "T...
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Why declare unicode by string in python?

... reads the characters in the file. In general, it's probably not the best idea to embed high unicode characters into your file no matter what the encoding is; you can use string unicode escapes, which work in either encoding. When you declare a string with a u in front, like u'This is a string',...
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Git merge left HEAD marks in my files

... @lowerkey, please also consider reading a book on the topic. I would recommend to read that book in its entirety as you appear to lack certain basic knowledge about how VCSes work and it's better to get yourself prepared for possible problems in the fu...
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Create a custom event in Java

...d by everyone interested in "Hello" events interface HelloListener { void someoneSaidHello(); } // Someone who says "Hello" class Initiater { private List<HelloListener> listeners = new ArrayList<HelloListener>(); public void addListener(HelloListener toAdd) { liste...
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Gson custom seralizer for one variable (of many) in an object using TypeAdapter

...er(JsonElement.class); return new TypeAdapter<C>() { @Override public void write(JsonWriter out, C value) throws IOException { JsonElement tree = delegate.toJsonTree(value); beforeWrite(value, tree); elementAdapter.write(out, tree); } @Override pub...
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Ignore Xcode warnings when using Cocoapods

... How can I solve the following problem: I want the warnings to be hidden for some pods, but not for all of them. – KrauseFx Nov 5 '12 at 10:26 3 ...
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Accessing last x characters of a string in Bash

...gative offset must be separated from the colon by at least one space to avoid being confused with the ‘:-’ expansion. Substring indexing is zero-based unless the positional parameters are used, in which case the indexing starts at 1 by default. If offset is 0, and the positional parameters are u...
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call a static method inside a class?

how do i call a static method from another method inside the same class? 4 Answers 4 ...
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Google Authenticator implementation in Python

...o functions: get_hotp_token() generates one-time token (that should invalidate after single use), get_totp_token() generates token based on time (changed in 30-second intervals), Parameters When it comes to parameters: secret is a secret value known to server (the above script) and client (Go...
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PEP 8, why no spaces around '=' in keyword argument or a default parameter value?

...designed language, only to save 2 characters. It's as if java code style said that it's petter to put { on a new line after if (saves the same number of characters) but not in class definition. Also a keyword parameter is different than default value but still uses the same style recommendation. ...